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A latent photoreaction enhanced upon cyclodextrin encapsulation: Photochemistry of α-alkyl dibenzyl ketones in water

Paper ID Volume ID Publish Year Pages File Format Full-Text
28924 44104 2007 7 PDF Available
Title
A latent photoreaction enhanced upon cyclodextrin encapsulation: Photochemistry of α-alkyl dibenzyl ketones in water
Abstract

α-Alkyl dibenzyl ketones that are capable of undergoing both Norrish Type I and Type II reactions generally yield products of Norrish Type I reaction in organic solvents. These water insoluble ketones form water-soluble host–guest complexes with β and γ-cyclodextrins. Irradiation of the above β-cyclodextrin complexes in water leads to products of Norrish Type II reaction. This change in behavior between the guest alone in organic solvent and as host–guest complexes in water is consistent with the influence of other ordered media such as micelles and reactants such as benzoin alkyl ethers and alkyl deoxy benzoins.

Keywords
Norrish Type I; Norrish Type II; Cyclodextrin; Conformational control; α-Alkyl dibenzyl ketones
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A latent photoreaction enhanced upon cyclodextrin encapsulation: Photochemistry of α-alkyl dibenzyl ketones in water
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 185, Issues 2–3, 25 January 2007, Pages 364–370
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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